Number of protons and neutrons in an atom

The solution can only have as many sig figs as the starting mes. w/ the least # of sig figs

Division with sig figs, Multiplication with sig figs

What was Dalton wrong about?

atoms of the same element are identical in size and mass, matter is composed of indivisible atoms, atoms cannot be created nor destroyed

The energy of the wave is...

Directly proportional to the frequency of that light wave

Electrons orbit the nucleus in ___

specific cocentric circular paths

The constant speed electromagnetic radiation travels in a vacuum:

186000 miles/second, C = 3.0 x 108

Maximum number of electrons in a PEL

Average atomic mass formula:

(mass #)(% abundance / 100) + (mass #)(% abundance / 100)

The _ the electrons are from the nucleus, the more...

Further, potential energy they have

Electrical energy is...

associated with moving charged particles

Electromagnetic (light) energy is...

energy of electromagnetic radiation

The ans. only has as many dec. places as the measurement having the least number of dec. places

Subtraction with sig figs, Addition with sig figs

Uses of radioisotopes in medicine and geology/anthropology

C-14 to C-12 ratio used to date geological organisms, Pb-208 and U-238 used to date geological formations, I-131 used in identifying thyroid problems, Co-60 used in treating cancer

_ nuclei cannot _ by undergoing only one _ transformation. They undergo a _ _.

Larger, nuclear, radioactive series

Do not change in identity, Do not form new things & are typically reversible

Chemical energy is...

energy assoc. w/ chemical change, stored in chemical bonds

studbud

Chemistry Quarter 1 Final

88 termsStudBud Administration13 plays

Mower, honors, G11 2016-2017

Flashcards88 cardsFPractice quizPHost liveL

Questions 88

Answers

1
The basic metric unit for the measurement of length is known as the...
Meter
Yard
Liter
Gram
2
Metals
Not on periodic table
Not malleable
Bad conductors
left of “staircase”
3
Energy may be changed from one form to another but the total amt. of energy remains constant
Law of Definite Composition
Law of Conservation of Mass
Law of Conservation of Energy
Law of Mass of Atoms
4
Weighted average of the mass numbers of an elements naturally occurring isotopes
Atomic Number
Average Atomic Mass
Protons
Mass Number
5
Mass number
Number of protons in the nucleus
Number of protons and neutrons in an atom
Number of electrons in an atom
Number of electrons and protons in the body
6
The amt. of time that it takes for 1/2 of a radioiso. to naturally decay into another element
Strong nuclear force
Gold-foil experiement
Half-life
Radioactive series
7
Substances made up of 2 or more elements chemically combined in a definite ratio
Compounds
Elements
Solutions
Mixtures
8
The solution can only have as many sig figs as the starting mes. w/ the least # of sig figs
Addition with sig figs
Subtraction with sig figs
Division with sig figs
Multiplication with sig figs
9
Kelvin Forumla
K = C - 273
C = C - 273
K = C + 273
C = K - 273
10
What was Dalton wrong about?
atoms of the same element are identical in size and mass
matter is composed of indivisible atoms
atoms cannot be created nor destroyed
atoms combine in whole # ratios
11
Loss of an a-particle (helium nucleus)
Alpha decay
Beta decay
Gamma emission
Positron emission
12
quality of a sub. that can be observed or measured w/o changing the comp. of the substance
Chemical property
Physical property
13
The energy of the wave is...
Directly proportional to the frequency of that light wave
Not proportional to the frequency of that light wave
Whatever i don't know what to write im tired
Not having an affect on the light wave
14
Electrons orbit the nucleus in ___
Nonspecific triangluar paths
specific cocentric circular paths
Specific noncocentric paths
triangle paths
15
The constant speed electromagnetic radiation travels in a vacuum:
186000 miles/second
2
C = 3.0 x 108
4.7 x 103
16
_ Are caused by the bombrdment of nuclei w/ high energy particles (alpha, neutrons, or protons)
Natural transmutations
Alpha decay
Protons
Artificial transmutations
17
Atoms that have a charge & are formed when atoms lose or gain electrons during a chemical rxn
Ions
Heterogeneous
Electrons
Isotopes
18
Number of waves that pass through a point in a given amount of time (Hz)
Frequency
Electromagnetic Radiation
Wavelength
Amplitude
19
The composition of the mixture varies throughout the sample
Pure
Homogeneous
Distillation
Heterogeneous
20
2n²
Sig figs
Minimum number of electrons in a PEL
Maximum number of electrons in a PEL
Nuclear equation to find the number of neutrons
21
_ atoms = _ atoms unless a charge is in place
Electron and neutron
Proton and electron
Proton and neutron
22
Average atomic mass formula:
(mass #)(% abundance / 100) + (mass #)(% abundance / 100)
The other one
23
Higher energy level
Excited state
Photon
Ground state
Quantum leap
24
What are the 7 diatomics?
N, F, Cl, Au, Br, Te, Uut
H, N, O, F, Cl, Br, I
Th, Am, Cf, Bk, H, N, O
N, O, F, Cl, Br, I, Y
25
Keeps the nucleus of an atom from flying apart
Mass number
Strong nuclear force
Gravity
Radioactivity
26
Distance between corresponding points on consecutive waves
Yards
Frequency
Wavelength
Miles
27
The _ the electrons are from the nucleus, the more...
Closer, potential energy they have
Further, gravity they have
Further, potential energy they have
Closer, gravity they have
28
(Look @ the picture)
Elements
Law of atoms
Law of Definite Composition
Law of General Composition
29
The composition and properties are the same throughout the mixture
Elements
Heterogeneous
Homogeneous
Solutions
30
Found in nature as single uncombined atoms
Diatomic
Monatomic
Chromatography
Periodic
31
Mixtures are...
Heterogeneous
Homogeneous
32
Nuclides of an element becoming unstable, called _
Radioactivity, nuclides
Radioactivity, radionuclides
Unstablity, nuclear
Nucleus, radionuclides
33
The ability of a substance to undergo chemical reactions to form new substances
Physical properties
Chemical properties
34
Conservions: The u. that you start w goes on the _, and the u. that you solve for goes on the _
Bottom, Top
Middle, middle
Top, bottom
In between
35
The ratio of _ to _ plays an important factor in determining stability
Protons, electrons
Protons, neutrons
Electrons, neutrons
36
Electrical energy is...
energy of electromagnetic radiation
associated with the changes in mass of atomic nuclei
energy assoc. w/ chemical change, stored in chemical bonds
associated with moving charged particles
37
The basic metric unit of volume is...
Liter
Mass
Meter
Inch
38
The chemical behavior of atoms depends on the arrangement of...
Their atoms
Their nucleus
Their protons
Their electrons
39
The ability to cause change or do work
Energy
Work
Precision
Accuracy
40
The basic metric unit of mass is the...
Graduated Cylinder
Liter
Meter
Gram
41
Electromagnetic (light) energy is...
energy assoc. w/ chemical change, stored in chemical bonds
associated with the changes in mass of atomic nuclei
associated with moving charged particles
energy of electromagnetic radiation
42
Smallest particle of an element that retains the properties of that element
Molecule
Atom
Element
Grain of Sand
43
The ans. only has as many dec. places as the measurement having the least number of dec. places
Subtraction with sig figs
Addition with sig figs
Multiplication with sig figs
Division with sig figs
44
Right of "staircase" bad conductors, and brittle
Metals
Noble Gases
Nonmetals
Periodic Table
45
Uses of radioisotopes in medicine and geology/anthropology
C-14 to C-12 ratio used to date geological organisms
Pb-208 and U-238 used to date geological formations
I-131 used in identifying thyroid problems
Co-60 used in treating cancer
46
Loss of a _ (particle that has the same mass as a {b thing}- particle but opposite charge)
Alpha Decay
Beta decay
Gamma emission
Positron emission
47
_ nuclei cannot _ by undergoing only one _ transformation. They undergo a _ _.
Larger, radioactive, nuclear series
Larger, nuclear, radioactive series
Smaller, nuclear, radioactive series
48
All known values from a measurement including a last estimated digit
Conversions
Significant Figures
Meters
49
Physical changes:
Do not change in identity
Do not form new things & are typically reversible
Change in identity
Make some really cool reactions
50
Chemical energy is...
energy of radiation
energy assoc. w/ chemical change, stored in chemical bonds
associated with moving charged particles
associated with the changes in mass of atomic nuclei
51
Ground state
Lowest energy level
Higher level
Stopped movement
Quantum leap
52
A reaction in which the nuclei of an element is changed into the nuclei of another element
Transmutation
Mixture
Half life
Atoms
53
Longer wavelength = _ frequency, Smaller wavelength = _ frequency
They both suck
Lower, higher
Red and violet
Higher, lower
54
The basic metric unit of temperature is...
Liter
Meter
Celcius
Gram
55
A combo of 2+ substances which retain their own properties & can be separated by physical means
Properties
Compounds
Mixtures
Elements
56
Reactants
Reactants
Ending Materials
Products
Starting materials
57
Nuclei from 0 to 20 have a more _ ratio.
Cool
Unstable
Stable
1:1
58
Products
Yields
Resulting materials
Starting materials
Reactants
59
How do you tell if it is an artificial transmutation?
One product
Two or more reactants
One reactant
Two or more products
60
Combining of 2 lighter nuclei to produce a larger nuclei
Fusion
Fission
Decay
Half life
61
Protons have a charge and mass of...
1, 0 amu
0, 0 amu
-1, 1 amu
1, 1 amu
62
Electrons have a charge and mass of...
-1, 0 amu
1, 0 amu
0, 0 amu
-1, 1 amu
63
There are no stable nuclei over _
83
97
54
20
64
Loss of a y-ray (high-energy radiation that almost always accom. the loss of nuclear particle)
Alpha decay
Beta decay
Positron emission
Gamma emission
65
Loss of a (weird looking b)-particle (high energy electron)
Alpha decay
Beta decay
Gamma emission
Positron emission
66
Atoms that contain the same number of protons but a different number of neutrons
Elements
Ions
Isotopes
Heterogeneous
67
A quantum of energy that falls in the visible spectrum is called a...
Quantum
Proton
Photon
Atom
68
6 of them, found along the “staircase” & show properties of metals and nonmetals
Metals
Nonmetals
Arsenic
Metalloids
69
The study of the structure of matter and the changes that it undergoes
Anatomy
Chemistry
Science
Biology
70
Found as pairs of atoms linked together, molecules
Exasperation
Periodic
Monatomic
Diatomic
71
The products of a reaction must have the same total mass as the reactants that formed them
Law of Change of Atoms
Law of Conservation of Energy
Law of Conservation of Mass
Law of Conservation of Atoms
72
Precipitate
A solid that forms from the mixing of 2 solutions
Changing the weather
Rain and stuff
Mixing two compounds together to make a reaction
73
James Chadwick discovers...
The neutron while working for Bohr
The neutron while working for Rutherford
The neutron while working for Dalton
The proton while working for Thomson
74
PELs
Chemistry?
A specific amount of energy each level is associated with
Nuclear number
Principal energy level
75
Reactants .... products
"Yells" and Chemical Change Formula
"Shows" and Chemical Change Formula
"Yields" and Bright Light Spectrum
"Yields" and Chemical Change Formula
76
Form of energy that exhibits wave and particle behavior while traveling through space
Electromagnetic radiation
Light
Radionuclides
Wavelength
77
E = HF means?
Energy (In joules) = (Wavelength) (7)
Energy (In joules) = (6.63 x 10-34)(Frequency in Hz)
Energy (In joules) = (3.0 x 108)(Frequency in Hz)
78
Nuclear energy is...
energy assoc. w/ chemical change, stored in chemical bonds
associated with moving charged particles
associated with the changes in mass of atomic nuclei
energy of electromagnetic radiation
79
Number of protons in the nucleus of an atom
Element Number
Atomic Number
Mass number
Period Number
80
Any variety of matter that has the same properties and composition throughout the sample
Pure substances
Mixtures
Compounds
Soil
81
Anything which occupies space and has mass
Chemistry
7
Mass
Matter
82
Father of Nuclear Physics; Did the Gold-Foil test, found out atoms were made of empty space...
John Dalton; and a light nucleus
Ernest Rutherford; and a light nucleus
JJ Thompson; and a dense nucleus
Ernest Rutherford; and a dense nucleus
83
-Maximum displacement from the rest -The intensity of light (Brightness)
Frequency
Wavelength
Amplitude
Speed
84
Nonreactive, monatomic, group 18
Noble Gases
Metals
Metalloids
Nonmetals
85
Neutrons have a charge and mass of...
1, 1 amu
-1, 1 amu
0, 0 amu
0, 1 amu
86
Reaction that involves the spliting of heavy nuclei to produce lighter nuclei (Produces energy)
Decay
Transmutation
Fission
Fusion
87
Refers to how close a measured value is to the accepted or "real" value.
Energy
Chemistry
Accuracy
Compound
88
All atoms contain smaller negatively charged particles (electrons); "Plum Pudding" atomic model
Rutherford
Thomson
Bohr
Democritus

Chemistry Quarter 1 Final Flashcards | StudBud